Hayward Matrix SP1591 SP1592 SP1593 Volute (SPX5500A) duraplastic When both the connection area

When both the connection area and the visible or protective portion of the assembly need attention

Supports cleaner pump operation

or no longer delivers clear and consistent position changes

This part has practical value because the specific diameter and color help preserve the intended fit and appearance of the original skimmer installation

Hayward Matrix SP1591 SP1592 SP1593 Volute (SPX5500A) duraplastic When both the connection areaThe Hayward volute is designed for compatible Matrix SP1591, SP1592, and SP1593 pump applications where the main wet end housing needs replacement. A volute like this is useful because it forms the chamber around the impeller and helps direct water through the pump, making it essential to hydraulic performance and structural integrity. This replacement is especially useful when the original volute is cracked, warped, leaking, or otherwise too damaged